Abstract: The present disclosure relates to an electrode slurry of a lithium battery and an electrode formed from the electrode slurry. The electrode slurry includes an active component, a conductive agent, a binder, an organic solvent, and octylphenolpoly(ethyleneglycolether)x, wherein x=9-10. The active component, conductive agent, binder, organic solvent, and octylphenolpoly(ethyleneglycolether)x are mixed together.

Abstract: The invention relates generally to carbon nano-tube composites and particularly to carbon nano-tube compositions for electrochemical energy storage devices and a method for making the same.

Abstract: A non-aqueous electrolyte secondary battery includes a positive electrode having a positive electrode active material layer containing a positive electrode active material, a negative electrode having a negative electrode active material, a separator interposed between the positive electrode and the negative electrode, an electrode assembly comprising the positive electrode, the negative electrode, and the separator, and a non-aqueous electrolyte impregnated in the electrode assembly. The positive electrode active material contains at least cobalt or manganese. The positive electrode has an end-of-charge potential of 4.40 V versus the potential of a lithium reference electrode. The positive electrode active material layer is superficially coated with a polymer layer composed of a polymer having a partially cross-linked structure and a molecular weight of 800,000 or greater.

Abstract: A secondary battery capable of improving battery characteristics is provided. The secondary battery includes a cathode 21 containing a cathode active material capable of inserting and extracting an electrode reactant, an anode 22 containing an anode active material capable of inserting and extracting the electrode reactant, and an electrolyte containing a solvent and an electrolyte salt. At least one of the cathode 21, the anode 22, and the electrolyte contains a radical scavenger compound. The radical scavenger compound is a compound in which a group having a radical scavenger function exists as a matrix, to which one or more carboxylic metal bases or one or more sulfonic metal bases are introduced. Chemical stability of the cathode 21, the anode 22, or the electrolyte containing the radical scavenger compound is improved. Thus, at the time of charge and discharge, decomposition reaction of the electrolytic solution is easily inhibited.

Abstract: An anode for lithium-ion secondary battery is provided as one capable of ensuring sufficient safety (suppression of dendrites) while achieving a higher capacity (higher density of the electrode), and permitting formation of a lithium-ion secondary battery with excellent high-rate discharge performance. An anode for lithium-ion secondary battery has a current collector, and an active material-containing layer formed on the current collector, the active material-containing layer is comprised of an outermost layer disposed on the farthest side from the current collector, and a lower layer composed of at least one layer disposed between the outermost layer and the current collector, and a degree of flexion of the outermost layer is smaller than that of the lower layer.

Abstract: A nonaqueous electrolyte battery includes: a positive electrode having a positive electrode active material layer that includes a positive electrode active material, a binder, and a compound having a pyrrolidone skeleton; a negative electrode having a negative electrode active material layer; a nonaqueous electrolyte that includes a solvent and an electrolyte salt; and a polyacid and/or a polyacid compound contained inside the battery.

Abstract: The invention relates biosensor comprising a conductive or semi-conductive support and an intercalator polymer, wherein the intercalator polymer comprises monomer units of formula (I) wherein P is an electropolymerizable moiety selected among the group consisting in pyrrole, acetylene, phenol, aniline, thiophene, carbazole and azulene; Sp is a spacer, and Im is an intercalator. The invention also relates to a method for the detection of a DNA sequence with the biosensor, comprising the steps of: hybridizing the DNA sequence with a DNA probe for forming a dsDNA incubating the biosensor with the dsDNA for anchoring the dsDNA to the intercalator detecting the quantity of dsDNA on the biosensor.

Abstract: Disclosed is a nonaqueous electrolyte secondary battery which has a negative electrode containing silicon as a negative active material, a positive electrode containing a positive active material, a nonaqueous electrolyte and a separator. Characteristically, an additive which retards oxidation of silicon during operation of the battery is contained either in an interior or surface portion of the positive electrode, or in an interior or surface portion of the negative electrode, or in an interior or surface portion of the separator.

Abstract: An alkaline storage battery including a strip-shaped porous metal substrate and a material mixture filled into the substrate. The substrate has an unfilled portion where the material mixture is not filled along at least one of two longitudinal sides of the substrate. The substrate has a weight per unit area of 150 to 350 g/m2. The material mixture contains an active material and an elastic polymer.

Abstract: The present invention relates to additives for electrolytes of lithium ion secondary batteries that include one or more of the following: 1,3-propane sultone, succinic anhydride; ethenyl sulfonyl benzene, and halobenzene. It can also include biphenyl, cyclohexylbenzene; and vinylene carbonate. The weight of said 1,3-propane sultone is between 0.5 wt. % and 96.4 wt. %, said succinic anhydride is between 0.5 wt. % and 96.4 wt. %; said ethenyl sulfonyl benzene is between 0.5 wt. % and 95.2 wt. %; and said halobenzene is between 0.5 wt. % and 95.2 wt. % of the weight of the additive. Batteries with electrolytes containing said additives have improved over-charge characteristics and low temperature properties, and reduced gas generation during charging and discharging.

Abstract: A method of preparing a composite cathode active material having superior cell characteristics includes mixing and milling starting material, carbon and an organic complexing agent. The mixture is heated at a first temperature in an inert atmosphere to form a composite precursor, and then the precursor is ground and heated at a second temperature in an inert atmosphere to produce a carbon-containing composite cathode material having high electronic conductivity. The said composite cathode has a general formula of LiFe1?xMxPO4—C, within 0?x<1, M is selected from the group consisting of Co, Ni, V, Cr, Mn and a mixture thereof.

Abstract: A method of manufacturing a solid electrolyte battery includes a step of thermally pressing a composite layer including a positive electrode ink layer, an electrolyte ink layer and a negative electrode ink layer that are formed by coating a positive electrode ink, an electrolyte ink and a negative electrode ink. Further, the positive electrode ink, the electrolyte ink and the negative electrode ink contain a polymer electrolyte. By this method, it is possible to improve the flow of ions across respective interlayers of a positive electrode active material layer, a solid electrolyte layer and a negative electrode active material layer.

Abstract: An alkaline storage cell has a positive electrode, a negative electrode containing a hydrogen storage alloy, and an alkaline electrolyte. The hydrogen storage alloy has a composition expressed by a general expression: ((PrNd)?Ln1-?)1-?Mg?Ni?-?-?Al?T?, where Ln represents at least one element chosen from a group consisting of La, Ce, etc., T represents at least one element chosen from a group consisting of V, Nb, etc., and subscripts ?, ?, ?, ? and ? represent numerical values which satisfy 0.7<?, 0.05<?<0.15, 3.0???4.2, 0.15???0.30 and 0???0.20.

Abstract: A cathode active material is provided, having d-MoS2(FeS2, ZnS) A cathode material is provided, including the cathode active material. A method for preparing the cathode active material is provided. A secondary aqueous lithium-ion battery (LIB) is provided, including the cathode material. Accordingly, it is possible to fabricate a secondary aqueous LIB which has an excellent charge/discharge performance and improves the charge/discharge cycles.

Abstract: A non-aqueous electrolyte secondary battery includes a positive electrode (1) containing lithium cobalt oxide as a positive electrode active material, a negative electrode (2) containing molybdenum dioxide as a negative electrode active material, and a non-aqueous electrolyte. The mass ratio of the negative electrode active material to the positive electrode active material is within the range of from 0.725 to 0.480. The conductive agent of the negative electrode consists of a carbon material having a lattice constant C0 along a stacking direction of from 6.7 ? to 6.8 ?, as determined by X-ray diffraction, or the negative electrode contains no conductive agent made of carbon material.

Abstract: A lithium secondary battery comprising positive and negative electrodes both capable of occluding and releasing lithium ions, and a lithium ion conductive material which contains a compound of formula (1) exhibits improved characteristics including charge/discharge efficiency, low-temperature properties and cycle performance when (a) only one substituent group of R1, R2, R3 and R4 in formula (1) is alkyl, (b) the negative electrode-constituting material partially contains a carboxyl or hydroxyl group-bearing compound, and the lithium ion conductive material contains propylene carbonate, or (c) a positive electrode active material is a lithium-containing transition metal compound, a negative electrode active material is a carbonaceous material, and the lithium ion conductive material contains as a non-aqueous electrolysis solution a solvent mixture of propylene carbonate and ethylene carbonate in combination with a chain-like carbonate as a low-viscosity solvent

Abstract: The present invention provides for a metal-molecule heterostructure comprising (a) a plurality of metal, semimetallic or semiconducting nanoparticles, and (b) a plurality of electrically conductive organic molecules interspersed among the nanoparticles. The metal-molecular heterostructure is useful in a device, such as a thermoelectric energy converter, battery or capacitor.

Abstract: Provided is a lithium secondary battery comprising a lithium transition metal compound-containing cathode and a graphitized carbon-containing anode with addition of a surfactant to the cathode and/or the anode, whereby the addition of the surfactant improves the wettability of an electrolyte on the electrode, thereby increasing the battery capacity and improving rate properties and cycle properties of the battery, in conjunction with a significant reduction of a manufacturing process time of the battery.

Abstract: An expander formulation used in battery paste compositions. The expander formulation incorporates effective amounts, or elevated concentrations of up to 6% of graphite and mixtures of carbon black and graphite to lessen or minimize the accumulation of lead sulfate on the surface of the negative plate during high rate PSOC battery operation, and/or to increase the electrochemical efficiency, the reserve capacity, the cold cranking performance and the cycle life of lead-acid batteries.

Abstract: An electrode with a porous protective film includes an electrode in which an active material layer is disposed on a collector and a porous protective film which is disposed on a surface of the active material layer and which contains fine particles, a binder, a surfactant, and a thickener. A nonaqueous electrolyte secondary battery includes a negative electrode in which a negative electrode active material layer is disposed on a negative electrode collector, a positive electrode in which a positive electrode active material layer is disposed on a positive electrode collector, a nonaqueous electrolyte, a separator, and a porous protective film which is disposed on at least one of a surface of the negative electrode active material layer or a surface of the positive electrode active material layer and which contains fine particles, a binder, a surfactant, and a thickener.

Abstract: Disclosed is a lithium secondary battery comprising an electrode assembly composed of a cathode, an anode and a separator, and a lithium electrolyte, wherein the electrodes and/or electrolyte include a compound (“urethane compound”) and/or polymer (“poly urethane”) which are decomposed upon overcharge of the battery and contain a urethane group in a molecular structure thereof. The lithium secondary battery of the present invention is characterized by addition of a compound or polymer having a urethane group to electrodes and/or electrolyte, wherein the thus-added compound and/or polymer have substantially no adverse effects on general performance of the battery under normal operating conditions and are decomposed with high reliability upon overcharge of the battery, thereby offering time delay effects for securing battery safety, and the decomposition products thereof result in sharply increased internal resistance of the battery, thereby increasing battery safety.

Abstract: A novel nanocarbon composite structure is provided having trapped ruthenium oxide. By using Ketjen black, and through chemical-mechanical effect utilizing an ultracentrifugal reaction field, both the specific surface area of ruthenium oxide and space of electrode material are expanded to have nanoparticles of ruthenium oxide highly dispersed in a graphene layer. This nanocarbon composite structure having trapped ruthenium oxide exhibits high electrochemical activity and is suitable for use as an electrical energy storing device, such as a large-capacity capacitor.

Abstract: The invention relates to a pasty material that can be used in electrochemical components comprising (A) 0-70 percent by weight of a matrix containing at least one organic polymer, its precursors or its prepolymers or consisting thereof; (B) 30-100 percent by weight of inorganic material that can be electrochemically activated and that is preferably nonsoluble in the matrix in the form of a solid substance and optionally a suspending agent for (B). The invention is characterized in that the electrochemically activatable material is at least partially a nanocrystalline powder, with the proviso that material (B) is not a material that can be used as electrode material in the absence of (A). Said material is suitable for producing self-supporting layers or layers placed on a substrate, from which or with which layered composites with electrochemical properties such as accumulators, batteries, condensers (supercaps), solar cells and electrochrome display elements can be produced.

Abstract: A battery electrode paste composition containing modified maleimide(s) is provided, which has an electrode active material, a conductive additive, a binder and modified maleimide(s) as dispersant. The modified maleimide as the dispersant in the battery electrode paste composition has dendrimer-like hyperbranched structures, which can form a stable complex with the electrode active material. Therefore, owing to the excellent compatibility of the modified maleimide with the solvent in the electrode paste, the storage stability of the paste is increased. Furthermore, through formation of stable bonding between the modified maleimide and the current-collecting metal substrate, the adhesive force between the electrode film and the current-collecting metal substrate is enhanced and the cycling life of the battery product is extended.

Abstract: Disclosed are electrodes for lithium secondary batteries having enhanced cycle performance and lithium secondary batteries comprising the same. More particularly, the present invention provides an electrode for lithium secondary battery with improved initial charge/discharge characteristics and cycle life characteristics at high temperature, which includes silane based additives as a constitutional component of the electrode and forms a passivation film during an initial charge/discharge process and, in addition, a lithium secondary battery comprising the above electrode.

Abstract: In an alkaline dry battery comprising a positive electrode, a negative electrode, and an alkaline electrolyte, the positive electrode includes manganese dioxide and graphite powder and contains Ti(SO4)2 as an additive.

Abstract: Disclosed is a negative active material composition for a rechargeable lithium battery, a method of producing a negative electrode for a rechargeable lithium battery using the same, and a rechargeable lithium battery using the same. The negative active material composition includes a negative active material, an additive capable of forming a surface electrolyte interface film on a negative electrode during charge and discharge, a binder, and an organic solvent.

Abstract: A positive electrode for a lithium-sulfur battery includes a positive active material including a sulfur-based compound, an electrically conductive material, an agent for increasing viscosity, and a binder. The agent is selected from a cellulose-based compound, an ionically conductive polymer, and a mixture thereof. The binder includes styrene-butadiene rubber.

Abstract: An electrode includes an electrically conductive matrix containing a disulfide group, wherein an S—S bond of the disulfide group is cleaved by electrochemical reduction and reformed by electrochemical oxidation. A plurality of carbon nanotubes are substantially disentangled and dispersed in the electrically conductive matrix. The electrode can be used as a cathode of a lithium battery. A method for producing disentangled carbon nanotubes includes the steps of: adding a plurality of aggregates of carbon nanotubes to a liquid; and providing sheer force (e.g. passing the liquid through a narrow gap at a high speed) onto the liquid for disentangling the aggregates of carbon nanotubes therein.

Abstract: A lithium ion electrochemical cell having high charge/discharge capacity, long cycle life and exhibiting a reduced first cycle irreversible capacity, is described. The stated benefits are realized by the addition of at least one phosphate additive having the formula: (R1O)P(?O) (OR2) (OR3) and wherein R1, R2 and R3 are the same or different, wherein at least one, but not all three, of the R groups is hydrogen, or at least one of the R groups has at least 3 carbon atoms and contains an sp or sp2 hybridized carbon atom bonded to an sp3 hybridized carbon atom bonded to the oxygen atom bonded to the phosphorous atom.

Abstract: The present invention relates to an electrode metal material for batteries, capacitors, etc, used in contact with non-aqueous electrolyte, and particularly to a capacitor formed of the electrode metal material, and provides a valve metal material capable of decreasing the internal resistance of the capacitor. The electrode metal material comprises a valve metal material and numerous carbon particles included in the surface of the valve metal material. The carbon particles are further fixed in the surface of the valve metal material so as to expose to the surface. The electrode metal material is coated with an activated carbon layer and used as a double-layer electrode for an electric double-layer capacitor. The carbon particles included in the surface ensure conduction between the activated carbon layer and the valve metal material.

Abstract: A battery element of a lead acid battery including a negative plate, a positive plate and a separator having a micronized metal inhibiting additive associated with the negative plate that reduces the detrimental effects of at least one cation metal impurity on the negative plate.

Abstract: A lithium ion electrochemical cell having high charge/discharge capacity, long cycle life and exhibiting a reduced first cycle irreversible capacity, is described. The stated benefits are realized by the addition of at least one carbonate additive to an electrolyte comprising an alkali metal salt dissolved in a solvent mixture including ethylene carbonate, dimethyl carbonate, ethyl methyl carbonate and diethyl carbonate. The preferred additive is either a linear or cyclic carbonate containing covalent O—X and O—Y bonds on opposite sides of a carbonyl group wherein at least one of the O—X and the O—Y bonds has a dissociation energy less than about 80 kcal/mole.

Abstract: Provided for herein is a process of forming a negative battery paste comprising combining a barium containing material at least partially dissolved in a portion of water with an organic expander, carbon black, and a lead oxide containing material to form a first mixture, followed by combining the first mixture with an amount of sulfuric acid to form the negative battery paste.

Abstract: A composition and plate-making process for a lead acid battery for reducing active material shrinkage in negative battery plates. A polymer is mixed with lead oxide, water, an expander and sulfuric acid to form a negative paste composition comprising the expander and basic lead sulfate crystals with the polymer absorbed on the crystal surfaces. The paste having the polymer addition is then pasted onto a grid where the paste is dried, cured and reacted to form a negative battery plate of the lead acid battery. The negative battery plate comprises a sponge lead negative active mass that exhibits less shrinkage by virtue of the polymer addition.

Abstract: A non-aqueous electrolyte for use in batteries and electrical capacitors for use at low temperatures. The electrolyte consists of at least two electrolyte salts in an electrochemical solvent or at least one electrolyte salt in a mixture of electrochemical solvents.

Abstract: In a process for producing an electrode of a nonaqueous electrolyte battery, an electrode and a polymer paste are prepared. The electrode is made of a metal as a current collector and an active material layer thereon. The polymer paste has a polymer dissolved in a solvent soluble in water. The polymer paste is allowed to be held in the electrode. Thereafter, the solvent is extracted from the polymer paste with an aqueous solution containing an alcohol, phosphorous or phosphorous compound.

Abstract: A gelating agent for an alkaline cell is a cross-linked polymer (A) comprising (meth)acrylic acid and/or its alkali metal salt as a main constituent monomer unit and obtained by an aqueous solution polymerization or a reversed phase suspension polymerization and satisfies the following required conditions (1), (2). The gelating agent has good draining property, satisfactorily high speed charging property of the alkaline electrolytic solution and is therefore effective to produce cells with little unevenness of the charging amount of the electrolytic solution and having uniform quality by mass production and an alkaline cell using the gelating agent is provided with durable discharge time and remarkably excellent impact resistance for a long duration.

Abstract: An organic expander composition for improving the cycle life and the cold crank ability properties of lead-acid batteries as compared to standard or oxylignin organic expanders. The organic expander composition is obtained by a blend of oxylignin and kraft lignin.

Abstract: An engineered carbonaceous material (ECM) comprising a mixture of synthetic graphite and one or more other graphite, such as natural flake graphite, natural vein graphite, and/or amorphous graphite. The objects are also achieved by an ECM comprising a mixture of expanded graphite and one or more other graphite materials, such as natural flake graphite, natural vein graphite, amorphous graphite and/or synthetic graphite. The ECM is preferably mixed with 0.01 to 20.0 wt. % MnO2 to create a battery active material. The mixtures may be made by either co-blending or co-grinding the graphites together. An electrochemical cell incorporating the material is also contemplated.

Abstract: Secondary electrochemical generators of the zinc-electrode alkaline type whose anode has a great capacity for cycling. The electrochemical generators according to the invention comprise zinc anodes made in such a manner as to increase within the active material the number of sites for formation of zinc during recharging, by a better draining of the electrical charges, obtained by using a dispersed secondary collector in the form of a conductive powder in the active mass, to which may advantageously be associated a principal support-collector of the high porous three-dimensional structured type having a high developed surface. These generators thus have zinc electrodes of improve cyclability, the number of charges and discharges that the electrode can perform under different regimes being increased.

Abstract: Provided for herein is a process of forming a negative battery paste comprising combining a barium containing material at least partially dissolved in a portion of water with an organic expander, carbon black, and a lead oxide containing material to form a first mixture, followed by combining the first mixture with an amount of sulfuric acid to form the negative battery paste.

Abstract: The present invention relates to an electrode for an electrochemical cell comprising: a current collecting substrate; an active material layer associated with the substrate; and solid electrolyte interface layer associated with the active material layer, the solid electrolyte interface layer containing a reaction product of an aromatic compound.

Abstract: An electrochemical cell of either a primary or a secondary chemistry, is described. In either case, the cell has a negative electrode of lithium or of an anode material which is capable of intercalating and de-intercalating lithium coupled with a positive electrode of a cathode active material. A carbonate compound is mixed with either the anode material or the cathode active material prior to contact with its current collector. The resulting electrode couple is activated by a nonaqueous electrolyte. The electrolyte flows into and throughout the electrodes causing the carbonate additive to dissolve in the electrolyte. The carbonate solute is then able to contact the lithium to provide an electrically insulating and ionically conducting passivation layer thereon.

Abstract: An electrochemical cell of either a primary or a secondary chemistry, is described. In either case, the cell has a negative electrode of lithium or of an anode material which is capable of intercalating and de-intercalating lithium coupled with a positive electrode of a cathode active material. A dicarbonate compound is mixed with either the anode material or the cathode active material prior to contact with its current collector. The resulting electrode couple is activated by a nonaqueous electrolyte. The electrolyte flows into and throughout the electrodes causing the dicarbonate additive to dissolve in the electrolyte. The dicarbonate solute is then able to contact the lithium to provide an electrically insulating and ionically conducting passivation layer thereon.

Abstract: A composition and plate-making process for a lead acid battery for reducing active material shrinkage in negative battery plates. A polymer is mixed with lead oxide, water, an expander and sulfuric acid to form a negative paste composition comprising the expander and basic lead sulfate crystals with the polymer absorbed on the crystal surfaces. The paste having the polymer addition is then pasted onto a grid where the paste is dried, cured and reacted to form a negative battery plate of the lead acid battery. The negative battery plate comprises a sponge lead negative active mass that exhibits less shrinkage by virtue of the polymer addition.

Abstract: An anode for a lithium-ion battery is presented as well as a process for producing an anode for a lithium-ion battery. The anode is formed from a generally continuous sheet of particles of exfoliated graphite having a thickness of no more than about 350 microns, itself or in a laminate with a metallic substrate. The process involves laminating particles of exfoliated graphite to a metallic substrate, such that the particles of exfoliated graphite form a generally continuous sheet of graphite having a thickness of no more than about 350 microns. The inventive anode reduces or eliminates capacity fading due to contact loss and has superior permeability to lithium.

Abstract: An electrochemical cell of either a primary or a secondary chemistry, is described. In either case, the cell has a negative electrode of lithium or of an anode material which is capable of intercalating and de-intercalating lithium coupled with a positive electrode of a cathode active material. A phosphonate compound is mixed with either the anode material or the cathode active material prior to contact with its current collector. The resulting electrode couple is activated by a non-aqueous electrolyte. The electrolyte flows into and throughout the electrodes causing the phosphonate additive to dissolve in the electrolyte. The phosphonate solute is then able to contact the lithium to provide an electrically insulating and ionically conducting passivation layer thereon.

Abstract: A battery element of a lead acid battery including a negative plate, a positive plate and a separator having a metal inhibiting additive that reduces the detrimental effects of at least one impurity on the negative plate.

Abstract: A battery element of a lead acid battery including a negative plate, a positive and a separator having a metal inhibiting additive and an expander component associated with the negative plate that reduces the detrimental effects of at least one impurity on the negative plate.